Home / 3,688.89-5,534.31-1,609.06

Finding the Fourth Proportional to 3,688.89, 5,534.31 and 1,609.06

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Solution

The fourth proportional to 3,688.89, 5,534.31 and 1,609.06 is: 2,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.89 : 5,534.31 = 1,609.06 : x
  2. Step 2: Convert to fraction form
    3,688.89/5,534.31 = 1,609.06/x
  3. Step 3: Cross multiply
    3,688.89x = 5,534.31 × 1,609.06
  4. Step 4: Simplify right side
    3,688.89x = 8,905,009.18
  5. Step 5: Solve for x
    x = 8,905,009.18/3,688.89
  6. Step 6: Final answer
    x = 2,414.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.